Analysis To news overview © Getty Images/Red Bull Contentpool Formula 1 in 2021 has been about fine margins and that will continue this weekend when F1 returns after a four-week hiatus. There will be no rest and the brains of the engineers will be in overdrive as soon as the cars leave the pit lane on Friday morning for the opening practice session. One factor which will be watched very carefully is how much downforce you want to run around the 7.004km Spa-Francorchamps circuit. Every year, the teams often have a headache in finding the optimal balance between downforce and top speed. Let's take a look at the factors they will be weighing up when making their final decision on how much...
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